8 of the best sci-fi books for kids

Sci-Fi Books for Ages 5–8

Dadbot by Jack Noel

This side-splitting graphic novel is perfect for newly independent or reluctant readers. When siblings Josh and Daisy discover a robot dad at a car boot sale for just £3, their summer holiday is instantly transformed. Dadbot comes with hot chocolate on tap, super-strength and even a printer for a bottom – what could possibly go wrong? Hilarious, colourful and full of fun, this is ideal for fans of Dog Man.

Rocket Boy by Katie Jennings

Packed with full-colour illustrations, Rocket Boy celebrates the power of imagination. Callum knows everything about the solar system – but when he sets off on an adventure to see a Martian sunset, he learns there’s more to space than facts alone. Charming, uplifting and accessible for readers transitioning from picture books, this is a gentle introduction to the wonder of sci-fi.

Sci-Fi Books for Ages 8–12

Blitzers by Alastair Chisholm

Gamers will love this thrilling, dyslexia-friendly adventure. Everyone wants the new fighting toy craze, Blitzers – except Danny’s is broken. But when he hacks it in a different way, he uncovers a deadly secret that puts his whole world in danger. A gripping mix of gaming, mystery and sci-fi action.

The Starlight Rebel by Lisette Auton

Set in Earth’s distant future, this inclusive and big-hearted story follows Astrifer Nova, a neurodivergent heroine who discovers hidden truths about her world – and herself. With friendship, courage and a powerful environmental message at its core, this book shows how differences can be a strength.

A Sequence of Cosmic Accidents by S.A. Reyhani

Part family drama, part intergalactic quest, this debut novel blends mythology, humour and space travel. When Arian’s foster sister Madlock reveals she really is from another planet, they’re thrown into an adventure that’s literally out of this world. Perfect for fans of Rick Riordan.

After by Padraig Kenny

What happens when technology fails? This post-apocalyptic adventure tackles big questions about humanity, AI and survival. Following Jen and her AI “father” across a devastated world, it’s a moving, thought-provoking story that will spark plenty of discussion.

Sci-Fi Books for Ages 12–14

Mech Brigade by Jamie Russell

Full of giant battle robots, alien threats and high-stakes drama, this is a must-read for fans of gaming and tech. On his thirteenth birthday, Miles becomes a mech pilot in the war against alien invaders – and his father’s disappearance may hold the key to humanity’s survival. Fast-paced, cinematic and full of heart.

Wintour’s Game by Brian Dungan

This futuristic thriller follows Alex Wintour, an orphan with the ability to glimpse the future. When a heist goes wrong, she’s drawn into a dangerous conspiracy involving time manipulation, teen millionaires and a mysterious weapon. Perfect for fans of Alex Rider looking for a sci-fi twist.

From laugh-out-loud robot parents to galaxy-spanning adventures, sci-fi books for kids are the perfect way to inspire a love of reading. They deliver the thrills and action young readers crave while also encouraging them to imagine the possibilities – and challenges – of the future. Whether you’re looking for a first graphic novel or a gripping dystopian adventure, these eight recommendations prove that science fiction is one of the most exciting genres for children today.